Amazon has started selling the Sprint EVO 4G for just $99.99 each. Exclusively from Sprint, the HTC EVO 4G mobile phone is the world’s first 3G/4G Android handset, offering simultaneous voice and data connectivity and download speeds up to 10 times faster than 3G. Additionally, the HTC EVO 4G can still connect to 3G data services in areas not currently served by Sprint’s 4G network.